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library(ggplot2)
library(plotly)

pulsar <- read.csv("pulsar_stars.csv")
head(pulsar, n = 10)

tail(pulsar, n = 10)

summary(pulsar)

 Mean.of.the.integrated.profile Standard.deviation.of.the.integrated.profile
 Min.   :  5.812                Min.   :24.77                               
 1st Qu.:100.930                1st Qu.:42.38                               
 Median :115.078                Median :46.95                               
 Mean   :111.080                Mean   :46.55                               
 3rd Qu.:127.086                3rd Qu.:51.02                               
 Max.   :192.617                Max.   :98.78                               
 Excess.kurtosis.of.the.integrated.profile
 Min.   :-1.8760                          
 1st Qu.: 0.0271                          
 Median : 0.2232                          
 Mean   : 0.4779                          
 3rd Qu.: 0.4733                          
 Max.   : 8.0695                          
 Skewness.of.the.integrated.profile Mean.of.the.DM.SNR.curve
 Min.   :-1.7919                    Min.   :  0.2132        
 1st Qu.:-0.1886                    1st Qu.:  1.9231        
 Median : 0.1987                    Median :  2.8018        
 Mean   : 1.7703                    Mean   : 12.6144        
 3rd Qu.: 0.9278                    3rd Qu.:  5.4643        
 Max.   :68.1016                    Max.   :223.3921        
 Standard.deviation.of.the.DM.SNR.curve Excess.kurtosis.of.the.DM.SNR.curve
 Min.   :  7.37                         Min.   :-3.139                     
 1st Qu.: 14.44                         1st Qu.: 5.782                     
 Median : 18.46                         Median : 8.434                     
 Mean   : 26.33                         Mean   : 8.304                     
 3rd Qu.: 28.43                         3rd Qu.:10.703                     
 Max.   :110.64                         Max.   :34.540                     
 Skewness.of.the.DM.SNR.curve  target_class    
 Min.   :  -1.977             Min.   :0.00000  
 1st Qu.:  34.961             1st Qu.:0.00000  
 Median :  83.065             Median :0.00000  
 Mean   : 104.858             Mean   :0.09157  
 3rd Qu.: 139.309             3rd Qu.:0.00000  
 Max.   :1191.001             Max.   :1.00000  

lm(pulsar$Excess.kurtosis.of.the.integrated.profile~pulsar$Skewness.of.the.integrated.profile)

Call:
lm(formula = pulsar$Excess.kurtosis.of.the.integrated.profile ~ 
    pulsar$Skewness.of.the.integrated.profile)

Coefficients:
                              (Intercept)  
                                   0.1890  
pulsar$Skewness.of.the.integrated.profile  
                                   0.1631  

hist(pulsar$Mean.of.the.integrated.profile, col = "blue")

plot(pulsar[,1:8], col = "blue", pch = ".")

plot(pulsar[,1:4], col = "blue", pch = ".")

plot(pulsar[,4:8], col = "blue", pch = ".")

plot(pulsar$Standard.deviation.of.the.integrated.profile, pulsar$Skewness.of.the.DM.SNR.curve, col = "blue", pch = "+")

p <- plot_ly(x = ~pulsar$Excess.kurtosis.of.the.integrated.profile, y = ~pulsar$Skewness.of.the.integrated.profile, size = ~pulsar$Excess.kurtosis.of.the.integrated.profile)
p

No trace type specified:
  Based on info supplied, a 'scatter' trace seems appropriate.
  Read more about this trace type -> https://plot.ly/r/reference/#scatter
No scatter mode specifed:
  Setting the mode to markers
  Read more about this attribute -> https://plot.ly/r/reference/#scatter-mode
`line.width` does not currently support multiple values.No trace type specified:
  Based on info supplied, a 'scatter' trace seems appropriate.
  Read more about this trace type -> https://plot.ly/r/reference/#scatter
No scatter mode specifed:
  Setting the mode to markers
  Read more about this attribute -> https://plot.ly/r/reference/#scatter-mode
`line.width` does not currently support multiple values.